1840 Sumac Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1840 Sumac Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 4 ba · 2,759 sqft · built 1954
Lot Size	0.204 acres (8,893 sqft)
Owner	Company Name on File
Last Sale	$881,800 (Jun 2016)
Tax Bill	$9,073 (2025)
Deeds & Mortgages	Nov 2021 Transfer Apr 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1463-18-3-24-005`

Property Details

APN / Parcel Number

Primary APN	`1463-18-3-24-005`
Alternative APNs	`R0033257` `0033257`

Interior

Bedrooms	3 Beds
Full Baths	4 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,759 sqft Living Area
Gross Area	3,155 sqft
1st Floor Area	2,494 sqft
Upper Floors Area	265 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1990
Architectural Style	A-Frame
Exterior Material	Combination
Construction Type	Frame
Roof Material	Other
Lot Area	8,893 sqft (0.204 acres)
Garage Type	Attached
Garage Area	396 sqft
Parking Spaces	2 Parking Spaces
Deck Area	280 sqft
Patio Area	328 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating Fuel	Electric

Location & Zoning

Account Number	R0033257
Street Address	1840 SUMAC AVE
City	BOULDER
State	CO
Zip	80304-0816
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 8 BLK 11 MOORES SPLIT TO ID 108893
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	MOORES & REPLAT LOT 15 BLK 30 - BO
Legal Block	11
Legal Lot Number	8
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3000
Census Tract	12105

Owner

Source: Boulder County assessment roll, as of June 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	1840 SUMAC AVE, BOULDER, CO 80304-0816
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Nov 15, 2021	Intrafamily Transfer, Transfer
Apr 19, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 6, 2016 · Amount on Record
Deed Sale	Jun 6, 2016 · Amount on Record
Prior Sale	Mar 6, 2007 · Amount on Record
Deed Document Number	20163522456
Last Transfer Date	Oct 15, 2021
Transfer Doc	0004004329
Record Updated	Sep 20, 2026

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Nov 15, 2021
Property Address	1840 SUMAC AVE, BOULDER, CO 80304-0816
Document Number	0003928259
Instrument Date	Oct 15, 2021
Instrument	3928259
Transaction Type	Transfer
Record Updated	Nov 29, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1840 SUMAC AVE, BOULDER, CO 80304-0816

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Apr 19, 2023
Property Address	1840 SUMAC AVE, BOULDER, CO 80304-0816
Document Number	0004004329
Instrument Date	Oct 15, 2021
Instrument	4004329
Transaction Type	Transfer
Record Updated	Apr 26, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1840 SUMAC AVE, BOULDER, CO 80304-0816

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$103,530 (+8.8%) Land $54,720 Building $48,810	$1,522,500 (-) Land $804,700 Building $717,800
2025	$9,073.00 (+3.06%)	$95,157 (-8.38%) Land $50,294 Building $44,863	$1,522,500 (-1.79%) Land $804,700 Building $717,800
2024	$8,804.00 (+1.77%)
2023	$8,651.00 (+15.06%)	$103,863 (+29.55%) Land $51,985 Building $51,878	$1,550,200 (+34.38%) Land $775,900 Building $774,300
2022	$7,519.00	$80,175 Land $41,943 Building $38,232	$1,153,600 Land $603,500 Building $550,100

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 32 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	32 in force
Nearby Flood Claims	26 (2005–2015)
Claims Outside the SFHA	10 of 26
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 23 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 62% of the US · lower than 79% of Colorado
Wildfire Likelihood	0.07% annual chance
Exposure	Direct burnable vegetation at the parcel

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 384 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
Live Wire Networks Fixed Wireless	250 / 100
Lumen Technologies DSL · Fiber in parts of the area	140 / 20
AT&T Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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